Adolescent Stress and Substance Intervention Subsequent to Trauma

The long-term goal of this study is to address the adoption of the new trauma center requirement to establish best practices of screening for acute stress with an intervention to prevent both adolescent PTSD and substance use. The investigators will develop, refine, and pilot test the Adolescent Stress and Substance Intervention Subsequent to Trauma (ASSIST) video interventions that build upon the American College of Surgeons Committee on Trauma guidelines to improve mental health care during and after hospitalization for traumatic injury. The aims are: PHASE I - Primary Aim 1: To develop and refine two ASSIST video interventions for adolescents and parents admitted to a level 1 pediatric trauma center. PHASE II * Primary Aim 2a: To evaluate the feasibility, acceptability and implementation potential of the ASSIST video interventions. * Primary Aim 2b: Develop the ASSIST implementation protocol using a national advisory panel of pediatric trauma center leaders. Participants in PHASE 1: Parent and child duo: * Review storyboards for the video interventions * Participate in qualitative interviews at hospital admission and 1 month following discharge Pediatric trauma center clinical staff members: \- Complete qualitative interviews Participants in PHASE II: Parent and child duo: * Shown their own video interventions * Complete assessments at admission and 1-, 2-, 3- months after discharge